Green Vista Premium Pond Net and Netting With Grommets - 12x20 Feet Approx. - Heavy Duty Tarp Keeps Debris Out of Water Gardens, Pools, More - 60-70% Shade - 1/16 Inch Mesh - Black SHADES PONDS AND POOLS: Use this heavy duty, woven Green Vista Premium Pond Net / Netting over and around water features to keep out leaves in fall and winter. Also use it to shade pond fish in southern hot regions. This shade cloth also works for patios, decks, porches, sunrooms, spas and even can be used as a tarp on trucks, boats and trailers! It measures about 12 feet by 20 feet. IS STRONG AND LONG LASTING: Made of woven polypropylene and UV treated for 15 plus years of use, this high quality netting features durable construction with heavy taped edges and brass, rustproof grommets. The grommets allow the net to be staked and secured against wind. BLOCKS SUNLIGHT AND DEBRIS: This black mesh net blocks 60 to 70 percent of sunlight yet allows ventilation. It keeps out leaves and almost everything else! ALLOWS AIRFLOW: While this shade cloth's small mesh protects against sunlight and debris, it lets air pass through for ventilation. The mesh is 1/16 inch. PROVIDES CONVENIENT GROMMETS: The brass grommets are spaced about every 2 feet along the outer edges of this net and at its corners. They are in the heavy taped borders.